<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>

</head>
<body>
<nav class="ayui-layout-admin" style="height:60px;background:#393D49;">
    <!-- 标题 -->
    <h1 class="title">后台管理系统</h1>
    <ul class="layui-nav layui-layout-right">
        <li class="layui-nav-item">
            <a href="#">通知
                <span class="layui-badge message">9</span>
            </a>
        </li>
        <li class="layui-nav-item">
            <a href="#">退出
            </a>
        </li>
        <li class="layui-nav-item">
        </li>
    </ul>
</nav>
<ul class="layui-nav layui-nav-tree layui-inline side_left">
    <li class="layui-nav-item layui-this">
        <a href="./index.html">
            <i class="iconfont icon-shouye1"></i>
            首页
        </a>
    </li>
    <li class="layui-nav-item layui-nav-itemed" id="changeToSet">
        <a href="javascript:;">
            <i class="iconfont icon-shouye1"></i>
            基础设置
        </a>
    </li>
</ul>
<div class="layui-body content">
    <iframe src="/templates/testhtml/includ1.html" frameborder="0" id="contentIframe"></iframe>
</div>
</div>

</body>
</html>